Queendom Puzzle (퀸덤 퍼즐) is a spinoff mnet series where already debuted idols compete for the chance to make a 7-member temporary group. Think iz*one but for vets.

Members/Contestants:
Weeekly (위클리):
Jihan (지한) | Lead Vocalist, Visual, Center
Park Soeun (박소은) | Dance Leader, Main Dancer, Lead Vocalist, Center
Lee Soojin (이수진) | Leader, Main Dancer, Sub Vocalist, Sub Rapper, Visual, Center
Zoa (조아) aka Jo Hye Won (조혜원) | Sub Vocalist, Sub Rapper, Visual, Maknae

- Cherry Bullet (체리블렛)
Jiwon (지원) | Lead Vocalist, Rapper, Visual, Center
Bora (보라) | Main Vocalist
Park ChaeRin (박채린) | Main Dancer, Vocalist, Rapper

- TripleS (트리플에스)
Lee Jiwoo (이지우)\\
Yoon Seoyeon (윤서연/ユン・ソヨン/尹舒姸)

- WOO!AH! (우아)
Nana (나나) | Leader, Main Dancer, Lead Vocalist, Lead Rapper, Visual
Wooyeon (우연) | Lead Vocalist, Visual

- H1 Key (하이키)
Riina (리이나) formerly Lee SeungHyun | Vocalist
Hwiseo (휘서) aka Jo Hwi Hyeon (조휘현) | Vocalist


- LIGHTSUM (라잇썸)
Sangah (상아 / 相雅 / サンア) | Lead Dancer, Rapper

- Solo/ex-CLC (씨엘씨)
Jang Yeeun (예은) | Main Rapper, Sub Vocalist

- WJSN/Cosmic Girls (우주소녀)
Lee Yeoreum (여름) | Main Dancer, Vocalist, Rapper

- PURPLE KISS (퍼플키스)
Yuki (유키) | Main Rapper, Lead Dancer, Vocalist

- Ex-Momoland (모모랜드)
Lee JooE (주이) | Lead Vocalist, Lead Dancer, Rapper, Face of the Group
- Weki Meki (위키미키)
Elly (엘리) aka Jung Hae Rim (정해림) | Vocalist
- Rocket Punch RCPC (로켓펀치)
Juri (ジュリ/쥬리) aka Takahashi Juri (高橋朱里) | Vocalist, Dancer
Kim Suyun (수윤) | Vocalist, Dancer
Kim Yeonhee (연희) | Leader, Vocalist, Rapper, Dancer
- Ex-Aoa (에이오에이)
Dohwa 도화 aka Im Chanmi (찬미) | Main Dancer, Lead Rapper, Vocalist, Maknae
- Ex-BNK48 / Solo
Fye/Faii (ฝ้าย / 면) aka Sumita Duangkaew (สุมิตตา ดวงแก้ว) | Vocalist
- NMB48
Miru Shiroma (白間 美瑠 / 미루 )
- Ex-Lovelyz (러블리즈)
Kei (케이) | Main Vocalist, Lead Dancer